first degree burn

ordinary sunburn is the most common example of a first-degree burn.

普通日晒伤就是一度烧伤的典型例子。

The raw surface of first degree burn will be whitened when it is squeezed.

当受到挤压时,一度烧伤的创面会变白(英文意思)

Results The corneal mean repair periods were respectively 3 days ( first degree burn), 6 days ( second degree burn), 12 days ( third degree burn) and 52 days ( fourth degree burn).

结果治疗后角膜平均修复时间：Ⅰ度烧伤3d，Ⅱ度烧伤6d，Ⅲ度烧伤12d，Ⅳ度烧伤52d。

so, you can't leave your normal metal tools out because you'll get a first-degree burn if you grab them sometimes.

因此，你最好不要把金属工具放在太阳底下，否则如果不小心碰到它们，就会被烫得很严重。

first degree burn of elbow

肘一度烧伤

first degree burn of thigh

大腿一度烧伤